In 1987, gems were discovered in the Luc Yen area of Vietnam’s Yen Bai province. Ruby, sapphire, and
spinel from primary and secondary deposits are the most valuable of these; tourmaline, gem-quality
feldspar, pargasite, and humite are also mined there. As a result of this discovery, the Luc Yen district has
become Vietnam’s most important gemstone-trading center over the past 30 years. The markets of Yen
The, the capital of Luc Yen, offer an additional assortment of natural gems from Vietnam and elsewhere
(including peridot, beryl, aquamarine, topaz, and quartz); synthetic gems are also found in these markets.
In 1987, gems were discovered in the Luc Yen area of Vietnam’s Yen Bai province. Ruby, sapphire, andspinel from primary and secondary deposits are the most valuable of these; tourmaline, gem-qualityfeldspar, pargasite, and humite are also mined there. As a result of this discovery, the Luc Yen district hasbecome Vietnam’s most important gemstone-trading center over the past 30 years. The markets of YenThe, the capital of Luc Yen, offer an additional assortment of natural gems from Vietnam and elsewhere(including peridot, beryl, aquamarine, topaz, and quartz); synthetic gems are also found in these markets.
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